User`s guide

Status Registers
10-8 Modem 3600
System Tests S16
This register contains the status of system test options.
S17
Not used
Test Timeout S18
Test timeout is the amount of time, in 1 second increments, that a
diagnostic test will run and is determined by the value assigned to S18
(0-255). A value of 0 disables the timer allowing a test to run
indefinitely. The default value is 0.
S19, 20
Not used
Bit Value Command Description
00
1
-- Analog loopback inactive
Analog loopback in progress
1-- -- Reserved
20
1
-- Digital loopback inactive
Digital loopback in progress
30
1
-- Remote digital loopback requested by
other modem inactive
Remote digital loopback requested by
other modem in progress
40
1
-- Remote digital loopback inactive
Remote digital loopback in progress
50
1
-- Self test remote digital loopback inactive
Self test remote digital loopback in
progress
60
1
-- Self test analog loopback inactive
Self test analog loopback in progress
7-- -- Reserved